T79.A12A

T79.A12A: Traumatic compartment syndrome of left upper extremity, initial encounter

Billable / specific codeICD-10-CMleft

T79.A12A is a billable, specific ICD-10-CM code for traumatic compartment syndrome of left upper extremity, initial encounter. It is valid for submission on a claim.

Check T79.A12A with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category T79

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above T79.A12A

A category’s note binds every code beneath it.

Written on T79.A: Traumatic compartment syndrome

fibromyalgia (M79.7)
nontraumatic compartment syndrome (M79.A-)

Excludes2 inherited from the categories above T79.A12A

Not part of this code, but both may be coded when both are present.

Written on T79.A: Traumatic compartment syndrome

traumatic ischemic infarction of muscle (T79.6)

Written on T79: Certain early complications of trauma, not elsewhere classified

acute respiratory distress syndrome (J80)
complications occurring during or following medical procedures (T80-T88)
complications of surgical and medical care NEC (T80-T88)
newborn respiratory distress syndrome (P22.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T79.A12A is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A57594Billing and Coding: Non-Invasive Peripheral Venous Vascular and Hemodialysis Access Studies

Code history

Unchanged in every release from FY2024 to FY2027.